source: trunk/anuga_core/benchmarks/create_test_sww.py @ 7810

#------------------------------------------------------------------------------
# Import necessary modules
#------------------------------------------------------------------------------
import anuga

def create_test_sww(sww_name):

        #------------------------------------------------------------------------------
        # Setup computational domain
        #------------------------------------------------------------------------------
        points, vertices, boundary = anuga.rectangular_cross(50, 50,
                                                                                                   len1=50.0, len2=50.0) # Mesh

        domain = anuga.Domain(points, vertices, boundary)  # Create domain
        domain.set_name(sww_name)                  # Output name

        #------------------------------------------------------------------------------
        # Setup initial conditions
        #------------------------------------------------------------------------------
        def topography(x, y):
                return -x/20                             # linear bed slope

        domain.set_quantity('elevation', topography) # Use function for elevation
        domain.set_quantity('friction', 0.01)        # Constant friction 
        domain.set_quantity('stage',                 # Dry bed
                                                expression='elevation')  

        #------------------------------------------------------------------------------
        # Setup boundary conditions
        #------------------------------------------------------------------------------
        Bi = anuga.Dirichlet_boundary([0.4, 0, 0])         # Inflow
        Br = anuga.Reflective_boundary(domain)             # Solid reflective wall

        domain.set_boundary({'left': Bi, 'right': Br, 'top': Br, 'bottom': Br})

        #------------------------------------------------------------------------------
        # Evolve system through time
        #------------------------------------------------------------------------------
        for t in domain.evolve(yieldstep=10.0, finaltime=100.0):
                print domain.timestepping_statistics()